21108010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 48107520

約数和(自身を除く): 26999510

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 79, 110, 154, 158, 347, 385, 395, 553, 694, 770, 790, 869, 1106, 1735, 1738, 2429, 2765, 3470, 3817, 4345, 4858, 5530, 6083, 7634, 8690, 12145, 12166, 19085, 24290, 26719, 27413, 30415, 38170, 53438, 54826, 60830, 133595, 137065, 191891, 267190, 274130, 301543, 383782, 603086, 959455, 1507715, 1918910, 2110801, 3015430, 4221602, 10554005, 21108010]

約数ペア:

[(1, 21108010), (2, 10554005), (5, 4221602), (7, 3015430), (10, 2110801), (11, 1918910), (14, 1507715), (22, 959455), (35, 603086), (55, 383782), (70, 301543), (77, 274130), (79, 267190), (110, 191891), (154, 137065), (158, 133595), (347, 60830), (385, 54826), (395, 53438), (553, 38170), (694, 30415), (770, 27413), (790, 26719), (869, 24290), (1106, 19085), (1735, 12166), (1738, 12145), (2429, 8690), (2765, 7634), (3470, 6083), (3817, 5530), (4345, 4858)]